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Perl is an open-source programming language whose first version, 1.0, was released in 1987. The following table contains the Perl 5 version history , showing its release versions. Not all versions are covered yet.
Perl Programming Documentation, also called perldoc, is the name of the user manual for the Perl 5 programming language. It is available in several different formats, including online in HTML and PDF. The documentation is bundled with Perl in its own format, known as Plain Old Documentation (pod).
As of 2013, this version was still the most popular Perl version and was used by Red Hat Linux 5, SUSE Linux 10, Solaris 10, HP-UX 11.31, and AIX 5. In 2004, work began on the "Synopses" – documents that originally summarized the Apocalypses, but which became the specification for the Perl 6 language.
The publisher offers online a free sample of Chapter 18 of the third edition and the Chapter 1 of the fourth edition as well as the complete set of code examples in the book (third edition) . O'Reilly maintains a trademark on the use of a camel in association with Perl, but allows noncommercial use. [4] [5]
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Free on-line books about Perl. Practical Perl Programming – book by A.D. Marshall, Cardiff University; Modern Perl – free on-line book by chromatic; Picking up Perl – free on-line book by Bradley M. Kuhn and Neil Smyth; Impatient Perl – for readers with previous programming experience. Learn Perl in about a week.
Easy to incorporate sample code; Easy to read without a pod formatter (i.e. in its source-code form) Easy to write in; An extended version of pod that supports tables and footnotes called PseudoPOD has been used by O'Reilly & Associates to produce several Perl books, most notably Programming Perl by Larry Wall, Tom Christiansen, and Jon Orwant.
Also, the complete history of the CPAN and all its modules is available as the GitPAN project, [8] allowing to easily see the complete history for all the modules and for easy maintenance of forks. CPAN is also used to distribute new versions of Perl, as well as related projects, such as Parrot and Raku.